Chi-square is different.

Q: particial correlation

A: Partial Correlation: Partial correlation coefficient may be defined as a measure of degree of…

Q: Differentiate Mean from Variance. What is their similarities and differences? (Essay form)

A: Here we need to differentiate mean from variance.

Q: what are importance and applications of statistics? Write in detail.

A: When the man started counting, comparing, and keeping records in one or another way, the subject…

Q: What is the definition of statistics? Why it is important to learn statistics? Give two major areas…

A: Statistics- Statistics is a subject as a branch of mathematics that is based on describing,…

Q: What is the advantage of a z score compared to a raw score?please detail

A: Since a Z-score is a standardized way to measure a score in relation to the population, a z-score…

Q: What does this information tell you about the variability of student's performance on the prelims?…

A:

Q: Where do p-values concentrate?

A: Under the null hypothesis H0 about the unknown distribution of the test statistic, the p value is…

Q: This is an EXERCISE. How can we measure the impact of education level on income inequality by using…

A: Yes, the Chi Square test of Independence can be used to test dependency between education level and…

Q: How to calculate weighted mean without graphing calculator or the formula for weighted mean?

A: Weighted Mean is a mean where some values contribute more than others.

Q: what is the chi-square test and how is it used?

A: Chi square test: A chi-square test is a statistical test used to evaluate found effects with…

Q: How to interpret the result according to the above data?

A: Decision Rule: Reject H0 if p value less than or equal to α. Let us consider, α=0.05. From the given…

Q: how do you construct scatter plots for bivariate data? an example would help.

A: Bivariate data is data with two variables. A Scatter plot is plotted to identify the relationship…

Q: Please help me with this. The question is what is the difference between a population, a census, and…

A: Population Census Sample The population is measurable quality  is called as parameter. A…

Q: Discuss the differences between statistics as numerical facts and statistics as a discipline or…

A: Statistics as numerical facts involves the use of numbers from a sample in determining the mean,…

Q: What is mean of this set of data

A: Given: data we can tabulate the data x Frequency(f) 0 1 1 3 2 2 5 1 10 1

Q: How to write a follow proper reporting of statistics in APA format without any tables or graphs.…

A: Given : Write a follow proper reporting of statistics in APA format without any tables or graphs.…

Q: What are the statistical techniques used to measure the dispersion? Give an example?

A: The statistical techniques which are used to measure the dispersion are variance, standard…

Q: Describe about the Error Variability?

A: The element of variability is produced by factors, such as measurement imprecision, and is not…

Q: Define “correlation coefficient”

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: What is CPI and how is it calculated? What is the problem with how it is calculated that…

A: The Consumer Price Index (CPI) : It is a metric that examines a basket of consumer goods and…

Q: How do we do Z-test on a quantitative data? Give an example.

A: Z test

Q: A. Dr. Lindo performed a chi-square analysis assessing the relationship between employment status…

A: Cramer's V is a way of calculating correlation in tables which have more than 2x2 rows,Here the…

Q: histogram

A: The distribution table  given is listed below: Class Frequency 30 - 32 3 33 - 34 6 35 - 36…

Q: student scored in the 75th percentile on the SAT. What does that mean?

A:

Q: why estimation is important in statistics?

A: Estimation is one of the two branches of inferential statistics.

Q: How to calculate Z score

A: Z-score of a sample indicates how far an element is from the mean in terms of standard deviation.…

Q: Describe the benefits of using statistical data in criminal justice. Provide an explanation and…

A: Statistics is the science of collection, presentation, analysis and interpretation of the numerical…

Q: Define panel data. What is the advantage of using such data to make statistical and economic…

A:

Q: Researchers studying tigers collected data on the length (in meters) and weight (in kilograms) of…

A: The scatter plots shows that there is a linear relationship between length and weight.

Q: II. Solve for the variance and standard deviation.

A: Here given discrete probability distribution table for variable x

Q: Duration is what typye of data?

A:

Q: MA In order to compare same variables having same units, one should use: Range Coefficient of…

A: Solution In order to compare same variables having same units,

Q: How do you calculate z-score?

A: Formula to calculate z - score  z = x - μσ

Q: Give examples of researchers analyzing existing statistics, to illustrate the strengths and…

A: Research: A scientific and systematic search for pertinent information on a specific topic by…

Q: How to determine if a histogram has much variation or little variation?

A: A histogram is a graphical plot of numerical data using bars of different heights. It shows the…

Q: If we add a constant  for all data values, how this will affect the geometric mean? Give an example.

A:

Q: What type of data would you use for collecting data on lap swim time

A: Continuous Data represents measurements and therefore their values can’t be counted but they can be…

Q: When to use a chi- square test?

A: The chi-square test can be used to test the in the following scenarios: To test the Goodness of fit…

Q: chi-square test

A: The chi-square independence test is a procedure for testing if two categorical variables are related…

Q: Find a real-life example of the use of ANOVA (Make sure to cite the source). Explain how and why…

A: ANOVA is used to understand whether different levels of a factor (or two factors) have an impact on…

Q: How is statistics used in everyday life?  Who uses statistics? How can a course in statistics…

A: Statistics are used all over the world. They can be applied in almost any situation and can always…

Q: Statistical Techiques that summarize and organize data are classified as ?

A: Given problem Given that   Statistical Techniques that summarize and organize data are classified…

Q: . Test the hypothesis that the proportions are equal. Do it both ways: Using the interval in one and…

A: Here use both approaches confidence interval and hypothesis testing

Q: Which one of the terms below best describes the data above Category • Numerical Qualitative

A: Let us solve the problem in the next step.

Q: You want to see if the number of siblings an individual has affects one’s social skills. Propose a…

A: To study the impact of number of siblings on one's social skills first we need to select population,…

Q: Nith clear examples, discuss the usefulness of pasic statistics in your Journalism field of study?

A: Q